{ fetchurl }: {
  # x86_64 Linux
  "x86_64-linux" = {
    version = "3.2.21-2025-10-11";  # QQ 版本号
    src = fetchurl {
      url = "https://dldir1v6.qq.com/qqfile/qq/QQNT/18039323/linuxqq_3.2.21-41857_amd64.deb";
      hash = "sha256-ERQB+fuf0HBR0TOOGauA+38Qz0QaeoH0EdyICeDe7eY=";
    };
  };
  "aarch64-linux" = {
    version = "3.2.21-2025-10-11";  # QQ 版本号
    src = fetchurl {
      url = "https://dldir1v6.qq.com/qqfile/qq/QQNT/18039323/linuxqq_3.2.21-41857_amd64.deb";
      hash = "sha256-ERQB+fuf0HBR0TOOGauA+38Qz0QaeoH0EdyICeDe7eY=";
    };
  };
  # x86_64 macOS
  # "x86_64-darwin" = {
  #   version = "6.9.18";
  #   src = fetchurl {
  #     url = "https://dldir1.qq.com/qqfile/qq/Mac/QQ_6.9.18.dmg";
  #     sha256 = "sha256-abcdefghijklmnopqrstuvwxyz1234567890abcdef";
  #   };
  # };
  # # aarch64 macOS（苹果 Silicon）
  # "aarch64-darwin" = {
  #   version = "6.9.18";
  #   src = fetchurl {
  #     url = "https://dldir1.qq.com/qqfile/qq/Mac/QQ_6.9.18_arm64.dmg";
  #     sha256 = "sha256-abcdefghijklmnopqrstuvwxyz1234567890abcdef";
  #   };
  # };
}
